The Rust Programming Language Standard Library 1.18.0 and later is affected by: CWE-200: Information Exposure. The impact is: Contents of uninitialized memory could be printed to string or to log file. The component is: Debug trait implementation for std::collections::vec_deque::Iter. The attack vector is: The program needs to invoke debug printing for iterator over an empty VecDeque. The fixed version is: 1.30.0, nightly versions after commit b85e4cc8fadaabd41da5b9645c08c68b8f89908d.
Conclusion & alert: CVE-2019-1010299 is rated Exploit Available (50/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.18%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-01-05 | 0.30% | 0.18% | -0.12% |
| 2 | 2025-11-21 | 0.19% | 0.30% | +0.10% |
| 3 | 2025-11-18 | — | 0.19% | — |
Full EPSS history (11 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.3 | 3.1 | MEDIUM |
|
3.9 | 1.4 | [email protected] |
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
medium | CVE-2019-1010299: 1 source package rows (rust); 6 state rows across 6 repos (3.19-main, 3.20-main, 3.21-main, 3.22-main, edge-community, edge-main); fixed 0, open 6. | https://security.alpinelinux.org/vuln/CVE-2019-1010299 |
debian
|
not yet assigned | CVE-2019-1010299 not yet assigned priority: Debian including 1 source packages (rustc), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2019-1010299 |
redhat
|
low | — | https://access.redhat.com/security/cve/CVE-2019-1010299 |
suse
|
low | CVE-2019-1010299 severity low: SUSE including 40 source package names (cargo, cargo1.43, …), 153 product×package rows across 22 product lines (SUSE CaaS Platform 4.0, SUSE Enterprise Storage 6, … (22 product lines)): Known Not Affected 153. | https://www.suse.com/security/cve/CVE-2019-1010299/ |
ubuntu
|
medium | CVE-2019-1010299 medium priority: Ubuntu including 1 source packages (rustc), 6 status rows across 6 suites (bionic, cosmic, disco, trusty, upstream, xenial): not-affected 5, needs-triage 1. | https://ubuntu.com/security/CVE-2019-1010299 |
| URL | Tags |
|---|---|
| https://github.com/rust-lang/rust/issues/53566 | Exploit Issue Tracking Third Party Advisory |
| https://github.com/rust-lang/rust/pull/53571/commits/b85e4cc8fadaabd41da5b9645c08c68b8f89908d | Patch Third Party Advisory |